YouTube videos

Watch a chapter explained in minutes

Short, focused video lessons for every important Mathematics topic from Class 7 to Class 10. Watch, pause and practise along.

Class 6

Divisibility Rule of 7 — Easy Maths Trick

A quick trick to check whether any number is divisible by 7, explained step by step with examples.

Class 1012:24

Factorisation, completing the square and the quadratic formula — all in one lesson.

Class 1015:02

Learn sin, cos and tan using simple right-triangle examples and a value table trick.

Class 910:47

See how the graph of a polynomial connects to its zeros, with plenty of visuals.

Class 809:31

Solve equations by transposition and turn tricky word problems into equations.

Class 708:15

A visual walkthrough of adding and subtracting negative numbers without confusion.

Class 811:58

Rapid revision of every area, surface area and volume formula you need.

General

A quick divisibility test to check whether any number is divisible by 17, with clear examples.

General

Learn the simple rule to test divisibility by 13 and apply it to any number.

General

Master the alternating-sum trick to decide if a number is divisible by 11 in seconds.